how to say or in c sharp code example

Example 1: how to say or in c#

//To say or in c#:
if (a>0 || b<5)
{
  //Or in C# is 2 bars, "||"
}

Example 2: what is the and in c#

//The AND Symbol is &

Example 3: c# negation

bool passed = false;
Console.WriteLine(!passed);  // output: True
Console.WriteLine(!true);    // output: False